Spirometric computer



FIG. 1 is a perspective view of a spirometric computer embodying the design of my invention;

FIG. 2 is a side elevational view, the opposite side being similar;

FIG. 3 is a top view;

FIG. 4 is a front view;

FIG. 5 is a rear view. 

The ornamental design for a spirometric computer, substantially as shown. 